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pi multiplied by the radius squared

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โˆ™ 2009-05-18 19:33:15
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Q: How do you find the formula of area of a circle?
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Related questions

Formula to find the area of circle?

Area of a circle = pi*radius2


What is the formula doe for the area of a circle?

The formula to find the area of a circle is: A = pi * r2


Formula to find area of circle?

The area of a circle can be found with the formula (pi)r^2


Investigate the formula of the area of a circle?

The formula to find the area of a circle is pi x the radius squared.


What is the formula to find area of circle?

The formula to find area is you do the radius squared times pi or 3.14


What is the radius and the area of a circle?

The radius of a circle is the distance from the center to any point on the circle. The area is the space within the circle. The formula to find the area is πr2. r stands for the radius of the circle. If you want to find the radius, you can work backwards from the area or the circumference, which is the perimeter of the circle. The formula for circumference is 2πr.


How do you find the area of a circle in square inches?

By using the formula: area of circle = pi*radius2


Formula to find area of a circle?

The formula depends on the information available to you.


Why does the formula to find area of a circle always work?

a formula is alway correct


The formula used to find the area of a circle is?

Area = (pi) (R)2


Formula to find area for circle?

The area of a circle = Pi*r2 where r is the radius and Pi is approximately equal to 3.14.


What is the formula what is the formula for the area of a circle?

Area of a circle = pi*radius squared


Can unit analysis tell you what the area of a circle is?

umm i think so. the formula to find the area of a circle is A=r^2+pi


Sentences with the word formula?

the formula to find the area of a circle is Pi times radius squared.


What si the formula to find the volume of a circle?

There is none because a circle has no volume but the area of a circle is pi*radius^2


What is the formula used to find the area of a sector?

area of sector = (angle at centre*area of circle)/360


How do you find the area of a segment of a circle?

In order to find the area of a sector of a circle you can use the formula below: pi*r^2 * # of degrees/ 360


Is there an association between the radius of a circle and the area of a circle.. please explain?

The radius of a circle and the area of a circle are directly proportionate. This is because the area of a circle is calculated by the formula: Area = pi * radius2. Since we are using the radius to find the area, there is an association between the two.


How do you find area of a circle when you have the circumference circle?

Divide the circumference by pi, and that will give you the diameter. Then take half of the diameter (the radius), and plug it into the formula for the area of a circle (A=πr²)


What is formula for the area of a circle?

the formula for the area of a circle is 3.14 x radius squared


What formula is apply to find area of semi circle?

If the radius of the circle is R, then the area of the whole circle is πR2 So the area of the semicircle is 0.5*πR2


How do you find the diamter of a circle if you know the area?

In order to find the diameter of a circle if you have the area is to rearrange the formula for the area of a circle to put diameter as the unknown, like so: PIE*d = Area of a Circle d = (Area of a Circle) / PIE Therefore if the area of your circle is 40cm, 40/PIE = 12.73cm and that's the diameter.


What is the cross sectional area of a golf ball?

The area of a circle is pi x r2 So you just have to find the radius of your circle, which is the radius of your golf ball. Then substitute it into the area of a circle formula as above.


What is the formula to find a area of a circle when given radius?

A = pi x radius2


How can you cut apart and rearrange a circle to find the formula for its area?

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